Submission #993775
Source Code Expand
#include <iostream> #include <string> #include <sstream> #include <algorithm> #include <vector> #include <utility> #include <functional> #include <stack> #include <queue> #include <map> #include <set> #include <cstdio> #include <cstdlib> #include <cstring> #include <cmath> #include <deque> #include <ctime> using namespace std; #define rep(i,n) REP(i,0,n) #define REP(i,s,e) for(int i=(s); i<(int)(e); i++) #define pb push_back #define mp make_pair #define all(r) r.begin(),r.end() #define rall(r) r.rbegin(),r.rend() #define fi first #define se second #define println(X) cout<<X<<endl; #define DBG(X) cout<<#X<<" : "<<X<<endl; typedef long long ll; typedef vector<int> vi; typedef vector<vi> vii; typedef vector<ll> vl; typedef vector<vl> vll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; const int INF = 1e9; const ll MOD = 1e9 + 7; double EPS = 1e-8; const double PI = acos(-1); ll n, a; ll f(const ll c, const int i){ int l = 0, r = i+1; rep(_, 50){ int m = (l + r) /2; double d = pow(c, m) * pow(c+1, i - m); // cout<<"("<<l<<" "<<r<<") ("<<m<<", "<<d<<")"<<endl; // cout<<" "<<c<<" "<<m<<" "<<pow(c, m)<<endl; // cout<<" "<<c+1<<" "<<i-m<<" "<<pow(c+1, i - m)<<endl; if(d >= n){ l = m; } else { r = m; } } return l; } int main(){ cin>>n>>a; ll ans = n; // cout<<f(2, 3)<<endl; // return 0; REP(i, 2, 100){ double d = pow(n, 1.0/i); ll c = d; ll k = f(c, i); ans = min(ans, (ll)(c*k + (c+1)*(i-k)+(i-1LL)*a)); //cout<<k<<" ("<< c<<" "<< i<<") "<< (ll)(c*k + (c+1)*(i-k)+(i-1LL)*a)<<endl; //cout<<i<<" "<<pow(n, 1.0/i)<<" "<< (ll)(0.9999999+pow(n, 1.0/i)+(i-1LL)*a)<<endl; } cout<<ans<<endl; }
Submission Info
Submission Time | |
---|---|
Task | E - Cookies |
User | T1610 |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 1746 Byte |
Status | AC |
Exec Time | 3 ms |
Memory | 256 KB |
Judge Result
Set Name | sample | dataset1 | dataset2 | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | 500 / 500 | ||||||
Status |
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|
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Set Name | Test Cases |
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sample | sample-01.txt, sample-02.txt, sample-03.txt |
dataset1 | sample-01.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt |
dataset2 | sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt, 02-01.txt, 02-02.txt, 02-03.txt, 02-04.txt, 02-05.txt, 02-06.txt, 02-07.txt, 02-08.txt, 02-09.txt, 02-10.txt, 02-11.txt, 02-12.txt, 02-13.txt, 02-14.txt, 02-15.txt, 02-16.txt, 02-17.txt, 02-18.txt, 02-19.txt, 02-20.txt, 02-21.txt, 02-22.txt, 02-23.txt, 02-24.txt, 02-25.txt, 02-26.txt, 02-27.txt, 02-28.txt, 02-29.txt, 02-30.txt, 02-31.txt, 02-32.txt, 02-33.txt, 02-34.txt, 02-35.txt, 02-36.txt, 02-37.txt, 02-38.txt, 02-39.txt, 02-40.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01-01.txt | AC | 3 ms | 256 KB |
01-02.txt | AC | 3 ms | 256 KB |
01-03.txt | AC | 3 ms | 256 KB |
01-04.txt | AC | 3 ms | 256 KB |
01-05.txt | AC | 3 ms | 256 KB |
01-06.txt | AC | 3 ms | 256 KB |
01-07.txt | AC | 3 ms | 256 KB |
01-08.txt | AC | 3 ms | 256 KB |
01-09.txt | AC | 3 ms | 256 KB |
01-10.txt | AC | 3 ms | 256 KB |
01-11.txt | AC | 3 ms | 256 KB |
01-12.txt | AC | 3 ms | 256 KB |
01-13.txt | AC | 3 ms | 256 KB |
01-14.txt | AC | 3 ms | 256 KB |
01-15.txt | AC | 3 ms | 256 KB |
01-16.txt | AC | 3 ms | 256 KB |
01-17.txt | AC | 3 ms | 256 KB |
01-18.txt | AC | 3 ms | 256 KB |
01-19.txt | AC | 3 ms | 256 KB |
01-20.txt | AC | 3 ms | 256 KB |
01-21.txt | AC | 3 ms | 256 KB |
01-22.txt | AC | 3 ms | 256 KB |
01-23.txt | AC | 3 ms | 256 KB |
01-24.txt | AC | 3 ms | 256 KB |
01-25.txt | AC | 3 ms | 256 KB |
01-26.txt | AC | 3 ms | 256 KB |
02-01.txt | AC | 3 ms | 256 KB |
02-02.txt | AC | 3 ms | 256 KB |
02-03.txt | AC | 3 ms | 256 KB |
02-04.txt | AC | 3 ms | 256 KB |
02-05.txt | AC | 3 ms | 256 KB |
02-06.txt | AC | 3 ms | 256 KB |
02-07.txt | AC | 3 ms | 256 KB |
02-08.txt | AC | 3 ms | 256 KB |
02-09.txt | AC | 3 ms | 256 KB |
02-10.txt | AC | 3 ms | 256 KB |
02-11.txt | AC | 3 ms | 256 KB |
02-12.txt | AC | 3 ms | 256 KB |
02-13.txt | AC | 3 ms | 256 KB |
02-14.txt | AC | 3 ms | 256 KB |
02-15.txt | AC | 3 ms | 256 KB |
02-16.txt | AC | 3 ms | 256 KB |
02-17.txt | AC | 3 ms | 256 KB |
02-18.txt | AC | 3 ms | 256 KB |
02-19.txt | AC | 3 ms | 256 KB |
02-20.txt | AC | 3 ms | 256 KB |
02-21.txt | AC | 3 ms | 256 KB |
02-22.txt | AC | 3 ms | 256 KB |
02-23.txt | AC | 3 ms | 256 KB |
02-24.txt | AC | 3 ms | 256 KB |
02-25.txt | AC | 3 ms | 256 KB |
02-26.txt | AC | 3 ms | 256 KB |
02-27.txt | AC | 3 ms | 256 KB |
02-28.txt | AC | 3 ms | 256 KB |
02-29.txt | AC | 3 ms | 256 KB |
02-30.txt | AC | 3 ms | 256 KB |
02-31.txt | AC | 3 ms | 256 KB |
02-32.txt | AC | 3 ms | 256 KB |
02-33.txt | AC | 3 ms | 256 KB |
02-34.txt | AC | 3 ms | 256 KB |
02-35.txt | AC | 3 ms | 256 KB |
02-36.txt | AC | 3 ms | 256 KB |
02-37.txt | AC | 3 ms | 256 KB |
02-38.txt | AC | 3 ms | 256 KB |
02-39.txt | AC | 3 ms | 256 KB |
02-40.txt | AC | 3 ms | 256 KB |
sample-01.txt | AC | 3 ms | 256 KB |
sample-02.txt | AC | 3 ms | 256 KB |
sample-03.txt | AC | 3 ms | 256 KB |